Stephen Colbert from the Colbert Report and Korean Pop star Rain have a longstanding rivalry ever since last year. The two have have fought over the top spot in Time Magazine's "Top 50 Most Influential People" and have been trash talking each other back and forth. If you have a few minutes to spare, you should go here and catch up on the news.

If you don't have the time, just watch the video. It'll be worth your time.